Joules to Watts Calculator | PES Supply

Joules to Watts Calculator

Convert joules to watts. Enter energy in joules and time in seconds to calculate power in watts.

Formula

Joules to Watts Conversion Table

Joules 1 Second 60 Seconds 3600 Seconds (1hr)
1 J 1W 0.017W 0.0003W
100 J 100W 1.67W 0.028W
1,000 J 1,000W 16.7W 0.28W
3,600 J 3,600W 60W 1W
10,000 J 10,000W 167W 2.78W

Energy & Power Applications

  • Calculate instantaneous power from energy storage
  • Determine surge capacity for inverters
  • Convert battery capacity ratings
  • Calculate capacitor discharge rates
How do I convert joules to watts?

Divide joules by time in seconds: Watts = Joules / Seconds. One watt equals one joule per second.

How many joules is 1 kWh?

1 kWh = 3,600,000 joules. This is because 1 kWh = 1000W x 3600s = 3,600,000 J.